private void CheckTypedef(DataTypeDescriptionEntry typedef,
CodeElementsParser.DataDescriptionEntryContext context)
{
if (typedef == null)
{
return;
}
if (typedef.LevelNumber?.Value != 1)
{
string message = "TYPEDEF clause can only be specified for level 01 entries";
DiagnosticUtils.AddError(typedef, message, context.cobol2002TypedefClause());
}
if (typedef.IsExternal)
{
string message = "EXTERNAL clause cannot be specified with TYPEDEF clause";
foreach (var external in context.externalClause())
{
DiagnosticUtils.AddError(typedef, message, external);
}
}
#if EUROINFO_LEGACY_TYPEDEF
if (typedef.RestrictionLevel != RestrictionLevel.STRICT)
{
string message = "Custom EI rule : Only TYPEDEF STRICT is allowed.";
DiagnosticUtils.AddError(typedef, message, context.cobol2002TypedefClause());
return;
}
#endif
if (typedef.RestrictionLevel == RestrictionLevel.STRICT) //Manage as a STRICT TYPEDEF
{
if (typedef.IsSynchronized != null && typedef.IsSynchronized.Value == true)
{
DiagnosticUtils.AddError(typedef, "SYNC clause cannot be used with a STRICT type definition", context.cobol2002TypedefClause());
}
}
if (typedef.RestrictionLevel == RestrictionLevel.STRONG) //Manage as a STRONG TYPEDEF
{
if (typedef.InitialValue != null)
{
string message = "STRONG TYPEDEF cannot contain VALUE clause:";
foreach (var valeuClause in context.valueClause())
{
DiagnosticUtils.AddError(typedef, message, valeuClause);
}
}
if (typedef.Picture != null)
{
string message = "Elementary TYPEDEF cannot be STRONG";
string rulestack = RuleStackBuilder.GetRuleStack(context.cobol2002TypedefClause());
DiagnosticUtils.AddError(typedef, message,
ParseTreeUtils.GetFirstToken(context.cobol2002TypedefClause().STRONG()), rulestack);
}
}
}
public static void CheckRedefines(DataRedefinesEntry redefines, CodeElementsParser.DataDescriptionEntryContext context)
{
if (context.cobol2002TypedefClause() != null)
{
string message = "REDEFINES clause cannot be specified with TYPEDEF clause";
DiagnosticUtils.AddError(redefines, message, context.redefinesClause());
}
}
public static void OnCodeElement(DataDescriptionEntry data, CodeElementsParser.DataDescriptionEntryContext context)
{
var external = GetContext(data, context?.externalClause());
var global = GetContext(data, context?.globalClause());
if (data.DataName == null)
{
if (!data.IsFiller)
{
DiagnosticUtils.AddError(data, "Data name or FILLER expected", context?.dataNameDefinition());
}
if (data.IsExternal)
{
DiagnosticUtils.AddError(data,
"Data name must be specified for any entry containing the EXTERNAL clause", external);
}
if (data.IsGlobal)
{
DiagnosticUtils.AddError(data,
"Data name must be specified for any entry containing the GLOBAL clause", global);
}
}
else
{
if (data.LevelNumber != null && data.IsExternal && data.LevelNumber.Value != 01)
{
DiagnosticUtils.AddError(data, "External is only allowed for level 01", external);
}
if (data.LevelNumber != null &&
!((data.LevelNumber.Value >= 01 && data.LevelNumber.Value <= 49) ||
data.LevelNumber.Value == 66 || data.LevelNumber.Value == 77 || data.LevelNumber.Value == 88))
{
DiagnosticUtils.AddError(data,
"Data must be declared between level 01 to 49, or equals to 66, 77, 88",
context?.dataNameDefinition());
}
}
}